package com.hnn;

import java.io.File;
import java.io.IOException;
import java.util.LinkedList;
import java.util.List;

/**
 * @author hnn
 * @version 1.0
 * @date 2023-11-03 18:19
 */
public class Main {
    public static void main(String[] args) throws IOException {

        System.out.println("Hello world!");
    }
}